Example usage for com.fasterxml.jackson.core JsonParser nextToken

List of usage examples for com.fasterxml.jackson.core JsonParser nextToken

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Introduction

In this page you can find the example usage for com.fasterxml.jackson.core JsonParser nextToken.

Prototype

public abstract JsonToken nextToken() throws IOException, JsonParseException;

Source Link

Document

Main iteration method, which will advance stream enough to determine type of the next token, if any.

Usage

From source file:javaslang.jackson.datatype.deserialize.EitherDeserializer.java

@Override
public Either<?, ?> deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
    boolean right = false;
    Object value = null;/*from  w w w  .  ja v  a  2  s  . c om*/
    int cnt = 0;

    for (JsonToken jsonToken = p.nextToken(); jsonToken != END_ARRAY; jsonToken = p.nextToken()) {
        cnt++;
        switch (cnt) {
        case 1:
            String def = (String) stringDeserializer.deserialize(p, ctxt);
            if ("right".equals(def)) {
                right = true;
            } else if ("left".equals(def)) {
                right = false;
            } else {
                throw ctxt.mappingException(javaType.getRawClass());
            }
            break;
        case 2:
            JsonDeserializer<?> deserializer = right ? deserializer(1) : deserializer(0);
            value = (jsonToken != VALUE_NULL) ? deserializer.deserialize(p, ctxt)
                    : deserializer.getNullValue(ctxt);
            break;
        }
    }
    if (cnt != 2) {
        throw ctxt.mappingException(javaType.getRawClass());
    }
    return right ? Either.right(value) : Either.left(value);
}

From source file:com.google.openrtb.json.AbstractOpenRtbJsonReader.java

/**
 * Special case for empty-string input. Returning null in non-@Nullable method,
 * but this is non-strict mode anyway.//  www.  j  av a  2 s . co  m
 */
protected final boolean emptyToNull(JsonParser par) throws IOException {
    JsonToken token = par.getCurrentToken();
    if (token == null) {
        token = par.nextToken();
    }
    return !factory().isStrict() && token == null;
}

From source file:com.msopentech.odatajclient.engine.data.metadata.edm.EntityKeyDeserializer.java

@Override
public EntityKey deserialize(final JsonParser jp, final DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    final EntityKey entityKey = new EntityKey();

    for (; jp.getCurrentToken() != JsonToken.END_OBJECT; jp.nextToken()) {
        final JsonToken token = jp.getCurrentToken();

        if (token == JsonToken.FIELD_NAME && "PropertyRef".equals(jp.getCurrentName())) {
            jp.nextToken();/*from  www.j av a2s .  c  o m*/
            entityKey.getPropertyRefs().add(jp.getCodec().readValue(jp, PropertyRef.class));
        }
    }

    return entityKey;
}

From source file:KV78Tester.java

public void checkStop(JsonParser jp, String line, int userStopOrder) throws JsonParseException, IOException {
    boolean hasTown = false, hasName = false;
    String timingPoint = "";
    while (jp.nextToken() != JsonToken.END_OBJECT) {
        String namefield = jp.getCurrentName();
        jp.nextToken();//  w ww  .  j  a va 2 s .  c o m
        if ("Town".equals(namefield)) {
            hasTown = true;
        }
        if ("Name".equals(namefield)) {
            hasName = true;
        }
        if ("TimingPointCode".equals(namefield)) {
            timingPoint = jp.getText();
        }
    }
    if (!hasTown && !hasName)
        System.out.println(String.format("Line %s misses townname and stopname for stopnumer %d, TPC %s", line,
                userStopOrder, timingPoint));
    else if (!hasTown)
        System.out.println(String.format("Line %s misses townname for stopnumer %d, TPC %s", line,
                userStopOrder, timingPoint));
    else if (!hasName)
        System.out.println(String.format("Line %s misses stopname for stopnumer %d, TPC %s", line,
                userStopOrder, timingPoint));
}

From source file:org.onosproject.north.aaa.api.parser.impl.RestAccessParser.java

public RestAccess jsonToRestAccess(JsonParser jp) throws IOException, ParseException {
    RestAccess.Builder builder = RestAccess.builder();

    while (true) {
        JsonToken token = jp.nextToken();

        if (JsonToken.END_OBJECT.equals(token)) {
            // bail out
            break;
        }//w  ww .  j  av a2  s.  c  o  m

        if (JsonToken.FIELD_NAME.equals(token) && "accessId".equals(jp.getCurrentName())) {
            jp.nextToken();
            builder.buildeAccessId(jp.getText());
        } else if (JsonToken.FIELD_NAME.equals(token) && "accessDesc".equals(jp.getCurrentName())) {
            jp.nextToken();
            builder.buildAccessDesc(jp.getText());
        } else if (JsonToken.FIELD_NAME.equals(token) && "restUri".equals(jp.getCurrentName())) {
            jp.nextToken();
            builder.buildRestUri(jp.getText());
        } else if (JsonToken.FIELD_NAME.equals(token) && "restMethod".equals(jp.getCurrentName())) {
            jp.nextToken();
            builder.buildRestMethod(jp.getText());
        } else if (JsonToken.FIELD_NAME.equals(token) && "restParam".equals(jp.getCurrentName())) {
            jp.nextToken();
            builder.buildRestParam(jp.getText());
        }
    }
    return builder.buildAll();
}

From source file:com.google.openrtb.json.Test2Reader.java

@Override
protected void read(Test2.Builder ext, JsonParser par) throws IOException {
    switch (getCurrentName(par)) {
    case "test2":
        ext.setTest2(par.nextTextValue());
        break;//from   w ww. j  av  a2s . c o  m
    case "test3":
        for (startArray(par); endArray(par); par.nextToken()) {
            ext.addTest3(par.getText());
        }
        break;
    }
}

From source file:org.onosproject.north.aaa.api.parser.impl.ScopeParser.java

public Scope jsonToScope(JsonParser jp) throws IOException, ParseException {
    Scope.Builder builder = Scope.builder();

    while (true) {
        JsonToken token = jp.nextToken();
        if (JsonToken.END_OBJECT.equals(token)) {
            // bail out
            break;
        }//from w  w  w  .  j  ava2s.  c  o m

        if (JsonToken.FIELD_NAME.equals(token) && "scopeId".equals(jp.getCurrentName())) {
            jp.nextToken();
            builder.buildScopeId(jp.getText());
        } else if (JsonToken.FIELD_NAME.equals(token) && "scopeDesc".equals(jp.getCurrentName())) {
            jp.nextToken();
            builder.buildScopeDesc(jp.getText());
        } else if (JsonToken.FIELD_NAME.equals(token) && "accesses".equals(jp.getCurrentName())) {
            token = jp.nextToken();
            if (!JsonToken.START_ARRAY.equals(token)) {
                // bail out
                throw new ParseException("expected ARRAY after accesses");
            }
            Set<String> accesses = new HashSet<>();

            while (true) {
                token = jp.nextToken();
                if (JsonToken.END_ARRAY.equals(token)) {
                    // bail out
                    break;
                }
                accesses.add(jp.getText());
            }
            builder.buildRestAccess(accesses);
        }
    }
    return builder.buildAll();
}

From source file:com.netflix.hollow.jsonadapter.HollowJsonAdapterPrimaryKeyFinder.java

public Object[] findKey(JsonParser parser) throws IOException {
    parser.nextToken();
    HollowObjectSchema schema = (HollowObjectSchema) hollowSchemas.get(typeName);
    addObject(parser, schema, new StringBuilder());
    return keyElementArray;
}

From source file:net.openhft.chronicle.wire.benchmarks.Data.java

public void readFrom(JsonParser parser) throws IOException {
    parser.nextToken();
    while (parser.nextToken() != JsonToken.END_OBJECT) {
        String fieldname = parser.getCurrentName();
        parser.nextToken();//from  www.  j a v  a  2 s. c  o  m
        switch (fieldname) {
        case "price":
            setPrice(parser.getDoubleValue());
            break;
        case "flag":
            flag = parser.getBooleanValue();
            break;
        case "text":
            setText(parser.getValueAsString());
            break;
        case "side":
            side = Side.valueOf(parser.getValueAsString());
            break;
        case "smallInt":
            smallInt = parser.getIntValue();
            break;
        case "longInt":
            longInt = parser.getLongValue();
            break;
        }
    }
}

From source file:org.labkey.freezerpro.export.FreezerProCommandResonse.java

/**
 * Parse the array of objects into a list of row maps
 * @param parser/*from  w  w  w.ja v a 2  s. c  o m*/
 * @param data
 */
protected void parseDataArray(JsonParser parser, List<Map<String, Object>> data) throws IOException {
    expectArrayStart(parser);
    JsonToken token = parser.nextToken();

    while (token != JsonToken.END_ARRAY) {
        if (token == JsonToken.END_OBJECT)
            break;

        Map node = _parser.readValueAs(Map.class);
        Map<String, Object> row = new HashMap<>();
        for (Object key : node.keySet()) {
            String fieldName = String.valueOf(key);
            if (FreezerProExport.exportField(fieldName))
                row.put(translateFieldName(fieldName), node.get(key));
        }
        data.add(row);
        token = _parser.nextToken();

        if (token == JsonToken.END_ARRAY)
            break;
    }
}